EP4351909A1 - Antriebsstrang für ein hybridkraftfahrzeug - Google Patents
Antriebsstrang für ein hybridkraftfahrzeugInfo
- Publication number
- EP4351909A1 EP4351909A1 EP22723013.3A EP22723013A EP4351909A1 EP 4351909 A1 EP4351909 A1 EP 4351909A1 EP 22723013 A EP22723013 A EP 22723013A EP 4351909 A1 EP4351909 A1 EP 4351909A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transmission device
- electrical machine
- drive train
- torque
- installation space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/442—Series-parallel switching type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
Definitions
- the invention relates to a drive train for a hybrid motor vehicle.
- Such a drive train is disclosed, for example, in WO 2019/101264 A1.
- an internal combustion engine is directly connected to a first electrical machine, which is designed as a generator, via a transmission stage.
- a second electrical machine is designed as the main drive machine and is connected via two gear ratios to a transmission to which the wheels of the vehicle are attached. There is a clutch between the first and second electric machine, which allows the so-called serial le in the open state and the so-called parallel driving with a motor vehicle in the closed state.
- a motor vehicle with a drive train as shown in Figure 2 of WO 2019/101264 A1, are operated in serial operation, in which the internal combustion engine drives the first electrical machine to generate energy and in which the second electrical machine Wheels of the vehicle applied with a torque.
- a drive train can be operated in parallel operation, in which the internal combustion engine applies torque to the wheels of the vehicle and the second electric machine runs idle, boosts or recuperates.
- Such a drive train requires a large amount of space in the axial direction or a large amount of axial length.
- a drive train for a hybrid motor vehicle which has a low requirement for axia lem space to z.
- B. to shorten the axial length of electrical machines, translation and internal combustion engine, and which, for example, in the La ge is to prevent unnecessary running along of an electrical machine.
- a drive train for a hybrid motor vehicle comprises an input shaft which extends in the axial direction and which, for example directly, can be connected non-rotatably or permanently non-rotatably to a torsion damper device and/or to a combustion engine.
- “Permanently” is understood in the present description as being inseparable, with disassembly or dismantling with tools being of course possible.
- the drive train has a first electrical machine, which is directly connected to the input shaft and is permanently non-rotatably connected to the input shaft, the first electrical machine including a rotor with a rotor carrier and a stator.
- a rotor support can be understood to mean a component on which windings for coils and/or magnets can be arranged in order to be able to rotate the rotor of an electrical machine.
- the first and/or a second electrical machine can be what is known as an internal rotor.
- the first electrical machine has a space for installation, which is formed by the external dimensions, such as length, width and height, of the stator and within which the rotor carrier is arranged.
- the drive train includes a first transmission device for transmitting a torque and a speed from the input shaft to an intermediate shaft.
- the first transmission device has a space for the Installation, which is formed by the external dimensions such as length, width and height of the first transmission device.
- the first transmission device is arranged on the rotor carrier of the first electrical machine in such a way that the installation space of the first transmission device and the installation space of the first electrical machine overlap, as a result of which the installation space of the first transmission device is arranged at least partially or completely within the installation space of the first electrical machine is.
- the drive train requires less axial installation space than in the prior art, or the drive train has a shorter axial length.
- the first transmission device is designed as a switchable clutch device and/or the first transmission device is designed as a transmission for converting a torque and a speed of the input shaft. Due to the fact that the installation spaces of the first transmission device and the first electrical machine overlap, it is possible to combine the first electrical machine with a switchable clutch device and/or with a transmission. As already mentioned above, the installation space of the first transmission device and the installation space of the first electrical machine overlap or the first transmission device is arranged inside the first electrical machine. It is precisely by sharing a common construction space or a space in which the construction spaces of the first transmission device and the first electrical machine overlap, that space or its axial length can be saved in the entire drive train. Thus, the drive train can be designed to be shorter by the space or by the axial length shared by the first transmission device and the first electrical machine.
- the first transmission device or its installation space can be arranged at least partially or completely within the installation space of the first electrical machine in the axial direction.
- the greatest amount of axial length and the greatest amount of space can be saved in the axial direction.
- At least 50% or at least 80% or all of the installation space of the first transmission device is arranged within the installation space of the first electrical machine in the axial direction. It also applies here that the more the first transmission device or its installation space is arranged within half of the installation space of the first electrical machine, the greater the amount of axial installation length that can be saved compared to the prior art.
- the rotor carrier can have an installation space for installation, which is formed by the outer dimensions of the rotor carrier, where the first transmission device or its installation space in the axial direction is at least partially, at least 50% or at least 80% or is arranged completely within the space of the rotor arm.
- the first transmission device or its installation space in the axial direction is at least partially, at least 50% or at least 80% or is arranged completely within the space of the rotor arm.
- the first transmission device or its installation space can be arranged completely within the installation space of the first electrical machine in the radial direction.
- the rotor carrier has an installation space for installation, which is formed by the outer dimensions of the rotor carrier, with the first transmission device or its installation space being arranged partially, at least 50% or completely within the installation space of the rotor carrier in the radial direction is.
- “radial direction” can be understood to mean a direction perpendicular to the axial direction.
- the term “installation space” or “installation space for installation” can be understood to mean the space that is available for installing a transmission device and/or a rotor carrier and/or an electrical machine.
- construction space can be understood as meaning the space that results from the outer dimensions or outer dimensions or outer dimensions, such as length, width and height. It can - concerning the entire description - in the outer Abma Shen or outer dimensions or outer dimensions or outer dimensions, such as length, width and height, to the maximum, outer dimensions or maximum, outer dimensions or maximum , External dimensions or maximum, external dimensions, such as maximum length, maximum width and maximum height, act of the corresponding component.
- the "installation space” can deviate from the specific, complex shape of a component, such as a transmission device, for example a switchable clutch device, and the specific shape to a cuboid or to a so-called general cylinder, as derived from mathematics is known to simplify.
- a component such as a transmission device, for example a switchable clutch device
- the term “installation space” in the present description can be understood to mean that a cuboid with a height, a length and a width is placed over a transmission device and/or over an electrical machine and/or over a rotor carrier is, wherein the transfer device or the electrical machine or the rotor carrier surfaces on the Flä of the cuboid rests contacting.
- a transmission device and/or an electric machine and/or a rotor carrier of the electric machine fits exactly into the construction space of a cuboid or a general cylinder.
- construction space in the present description can also be understood to mean that a general cylinder, with any course within a plane, is moved along a specific route, the route not being contained in the plane in which the general cylinder is has any course.
- fasteners such as screws or rivets, with which a transmission device and/or an electric machine and/or a rotor carrier is connected to another component, such as a shaft or a transmission or a clutch device, are not included in the installation space.
- the installation space of the first transmission device or a second transmission device or the first electrical machine or a second electrical machine or a rotor carrier can be determined by the product of the maximum area, which can be oriented perpendicular to the axial direction, and the maximum width, which can be oriented in the axial direction can be oriented.
- the maximum area, which can be oriented perpendicular to the axial direction can be formed by a maximum length and a maximum height, both of which can be oriented perpendicular to the axial direction, similar to a radial direction.
- the maximum width can be perpendicular to the maximum area, similar to a normal vector, as is known, for example, from mathematics. Since the maximum area can be formed by the maximum length and the maximum height, both of which are oriented perpendicularly to the axial direction in which the maximum width is oriented.
- a maximum area is oriented perpendicular to the axial direction and that a maximum width is oriented in the axial direction.
- the maximum area can be formed by a maximum length and a maximum height, both of which can be oriented perpendicularly to the axial direction or to the maximum width.
- the maximum area and the maximum width of the first electrical machine and/or a second electrical machine can, as already indicated, depend on the maximum external dimensions or maximum external dimensions or maximum external dimensions or maximum external dimensions, such as maximum length, maximum width and maximum height of the stator of the respective electrical machine Ma are formed.
- the length and height may extend in directions perpendicular to the axial direction, and the width may be co-oriented with the axial direction.
- the maximum area and the maximum width of the first transmission device and/or a second transmission device can depend on their maximum external dimensions or maximum external dimensions or maximum external dimensions or maximum external dimensions, such as maximum length, maximum width and maximum height , to be formed.
- the maximum area of the rotor or the rotor carrier, which can be oriented perpendicular to the axial direction be less than the maximum area of the stator, which can be oriented perpendicular to the axial direction, with the maximum width of the rotor, which is in the axial Direction can be oriented, equal to or less than the maximum width of the stator, which can be oriented in the axial direction.
- the rotor or the rotor carrier are not larger perpendicularly to the axial direction and are not wider in the axial direction than the stator.
- the maximum area of the first transmission device and/or a second transmission device, which can each be oriented perpendicular to the axial direction, can be less than the maximum area of the respective rotor carrier, which can be oriented perpendicular to the axial direction.
- the transmission direction can be arranged inside the rotor carrier.
- the maximum width of the first and/or a second transmission device can be equal to or smaller than the maximum width of the stator or the rotor carrier or the rotor in the axial direction, so that the first and/or a second transmission device has a similar or smaller width in the axial direction than the rotor or the stator.
- the transmission device can be arranged completely inside the rotor or the stator in the axial direction.
- the first transmission device can be arranged on the rotor carrier.
- the first transmission device can be formed at least partially integrally with the rotor carrier.
- the rotor and the rotor carrier of the first electrical machine can have an input side and an output side. It is possible here for the input shaft to be arranged on the input side and/or for the first transmission device to be arranged on the output side.
- the drive train can include an intermediate shaft to which the first transmission device is connected and which extends in the axial direction. With the help of an intermediate shaft, a torque and a speed of the input shaft can be converted by a transmission, for example, or can be separated from subsequent components by, for example, a switchable clutch device.
- the first transmission device has toothed elements for realizing a translation for converting a torque and a speed of the input shaft, so that a permanent connection between the rotor carrier of the first electric machine and the intermediate shaft of the drive train can be realised. This allows torque and speed to be transmitted from the input shaft to the intermediate shaft.
- the first transmission device prefferably has a ring gear and a toothed wheel, each as a toothed element.
- the gear wheel can be in engagement with the ring gear, so that the gear wheel can roll in the ring gear.
- the gear wheel can be arranged on the intermediate shaft, with the rotor carrier being able to have the ring gear, so that a torque and a rotational speed of the ring gear can be transmitted to the gear wheel and thus to the intermediate shaft.
- the drive train may also include an intermediate shaft to which the first transmission device is connected and which extends in the axial direction.
- the first transmission device can be designed as a switchable clutch device, for example as a multi-plate, claw or disc clutch, so that a detachable connection can be implemented between the rotor carrier of the first electrical machine and the intermediate shaft.
- a switchable clutch device for example as a multi-plate, claw or disc clutch
- the first transmission device can have a first and a second clutch partner and a device for engaging and disengaging the clutch partners with one another.
- the first transmission device can be set up and designed to bring the first coupling partner and the second coupling partner into releasable engagement, so that a torque and a speed can be transmitted from the input shaft to the intermediate shaft, or not.
- the first coupling partner can be arranged on the rotor carrier of the first electrical machine, so that a torque and a speed can be transmitted from the input shaft to the intermediate shaft by closing the first transmission device, which is designed as a shiftable clutch device.
- the second coupling partner can be arranged on the intermediate shaft, so that a torque and a speed can be transmitted to the intermediate shaft by closing the first transmission device, which is designed as a shiftable clutch device.
- the first coupling partner of the first transmission device is formed integrally with the rotor carrier of the first electrical machine.
- the assembly of the drive train can be simplified, since it consists of fewer parts and thus the production and assembly can be accelerated. This also allows the axial length of the drive train to be kept low.
- the device for engaging and disengaging can be arranged on the first electrical machine or on the intermediate shaft.
- the arrangement on one or the other component makes more sense, for example with regard to the available installation space.
- the drive train can include a second electric machine, which is connectable or releasably connectable or detachably connected to the intermediate shaft in a torque-transmitting manner.
- the first electrical machine and the second electrical machine cannot be arranged coaxially with one another.
- This can be favorable, for example, when the first transmission device as a translation, e.g. B. with a hollow wheel is formed.
- the second electrical machine can include a rotor with a rotor carrier, a stator and a space for installation, which depends on the external dimensions ments of the stator of the second electrical machine is formed and in which the rotor support of the second electrical machine is arranged.
- the drive train can include a second transmission device for transmitting a torque and a speed from the intermediate shaft to an output shaft.
- the second transmission device can have a space for installation, which is formed by the external dimensions of the second transmission device.
- the second transmission device can be arranged on the rotor carrier of the second electrical machine in such a way that the installation space of the second transmission device and the installation space of the second electrical machine overlap, as a result of which the installation space of the second transmission device is at least partially within or completely within the installation space of the second electrical machine machine is arranged.
- the drive train requires less axial installation space than in the prior art, or the drive train has a shorter axial length.
- the installation space of the second transmission device and the installation space of the second electrical machine overlap or the second transmission device is arranged within the second electrical machine.
- the drive train can thus be made shorter by the space or by the axial length which the second transmission device and the second electrical machine share or intersect.
- the second transmission device can be formed out as a switchable clutch device. This makes it possible to specifically control the transmission of a torque and a speed within the drive train. It is also possible, please include to prevent unnecessary running along of the electrical machine when z. B. single Lich the drive from an internal combustion engine and / or an electric machine is desired.
- the second transmission device or its installation space can be arranged at least partially or completely within the installation space of the second electrical machine. The more the second transmission device or its installation space is arranged within the installation space of the second electrical machine, the greater the saving in terms of installation space or in terms of axial length. Thus, in the case of the complete arrangement of the second transmission device within the installation space of the second electrical machine, the greatest amount of axial installation length or the greatest amount of installation space can be saved.
- At least 50% or at least 80% or all of the installation space of the second transmission device is arranged within the installation space of the second electrical machine in the axial direction.
- the more the second transmission device is arranged within the construction space of the second electrical machine the greater the amount of axial construction length that can be saved compared to the prior art.
- the rotor carrier can have an installation space for installation, which is formed by the outer dimensions of the rotor carrier, with the second transmission device or its installation space in the axial direction at least partially, at least 50% or at least 80% or completely within the installation space of the rotor carrier is arranged.
- the second transmission device is arranged on the rotor support of the second electrical machine, a maximum of axial length or installation space in the axial direction can be saved. In other words, the drive train can be shortened to the maximum extent.
- the second transmission device or its installation space can be arranged completely within the installation space of the second electrical machine in the radial direction.
- the rotor carrier has a space for installation, which is formed by the outer dimensions of the rotor carrier, with the radial Direction of the second transmission device or the space is partially, at least 50% or completely arranged within the space of the rotor arm.
- the second electrical machine can have an input and an output, with the intermediate shaft being able to be arranged at the input.
- the drive train can include an output shaft, which is arranged at the output of the second electrical machine. With the help of the output shaft, a torque and a speed can be taken out of the drive train and, for example, be transmitted to a transmission input shaft.
- the output shaft can be permanently non-rotatably connected to the rotor carrier of the second electrical machine, so that it is not possible to decouple the second electrical machine from the output shaft
- the second transmission device can be set up and designed in such a way that a torque and a speed of the intermediate shaft and/or the second electrical machine can be transmitted or switched on and transmitted to an output shaft of the drive train.
- the second transmission device can be set up and designed in such a way that a torque and a speed can be transmitted in three scenarios.
- a torque and a speed can be transmitted from the intermediate shaft to the output shaft without the second electrical machine being involved.
- torque and speed can be transmitted from the intermediate shaft and from the second electric machine to the output shaft.
- torque and speed can only be transmitted from the second electric machine to the output shaft.
- the second transmission device can be designed as a switchable clutch device, for example as a multi-plate, claw or disc clutch, so that a detachable connection between the rotor carrier of the second electrical machine, the intermediate shaft and/or the output shaft can be implemented. This allows a torque and a speed of the intermediate shaft and / or the second electrical machine transferred to an output shaft of the drive train who are transferred or switchable.
- a switchable clutch device for example as a multi-plate, claw or disc clutch
- the second transmission device may have a first, second and/or third clutch partner and a device for engaging and disengaging the clutch partners with one another.
- the second transmission device can be set up and configured to bring the first coupling partner and the second coupling partner into a releasable engagement, or to bring the second coupling partner and the third coupling partner into a releasable engagement, or to bring all three coupling partners into a releasable engagement with one another.
- a torque and a speed of the intermediate shaft and/or of the second electrical machine can be transmitted to the input shaft or can be switched on and transmitted.
- a torque and a speed can be transmitted from the intermediate shaft to the input shaft from when, for example, the first and second hitch partners are engaged.
- the second electrical machine can be decoupled from the output shaft.
- a torque and a speed can be transmitted from the intermediate shaft and from the second electrical machine to the output shaft when, for example, the first, the second and the third clutch partners are engaged.
- torque and speed can be transmitted from the second electric machine to the output shaft when, for example, the second and third clutch partners are engaged.
- the first electrical machine can be decoupled from the input shaft.
- the first coupling partner can be arranged on the intermediate shaft, so that a torque and a speed can be transmitted from the intermediate shaft to the output shaft by closing the second transmission device, which is designed as a shiftable clutch device.
- the second coupling partner can be arranged on the output shaft, so that a torque and a speed can be transmitted to the output shaft by closing the second transmission device, which is designed as a shiftable clutch device.
- the third coupling partner can be arranged on the second electrical machine, for example on its rotor carrier, so that a torque and a speed can be transmitted or switched on from the second electrical machine to the output shaft by closing the second transmission device, which is designed as a shiftable clutch device.
- the second or third coupling partner of the second transmission device can be formed integrally with the rotor carrier of the second electrical machine's.
- the device for engaging and disengaging may be arranged on the second electrical machine or on the intermediate shaft or on the output shaft. It is also possible to attach the device for engaging and disengaging at any desired location within the drive train, which is most suitable, e.g. B. in terms of space requirements.
- the output shaft is designed as part of a transmission for converting a torque and a speed in interaction with a transmission input shaft.
- the output shaft can include a gear wheel for transmitting a torque and a rotational speed of the output shaft to a transmission input shaft.
- the gear wheel is formed in one piece with the output shaft.
- the output shaft and the gear wheel can be connected to one another via a shaft-hub connection.
- the first electrical machine can be designed as a drive for a vehicle and/or as a generator for generating energy and/or for charging a battery of a vehicle.
- the second electrical machine can be designed as a drive for a vehicle and/or as a generator for generating energy and/or as a generator for charging a battery of a vehicle.
- both electric machines to drive a vehicle and/or to generate energy for it or for its drive.
- the drive train can also be designed to implement multiple operating modes.
- a first operating mode only the first electrical machine, which can be driven by an internal combustion engine, can be used as a generator for generating energy and/or as a generator for charging a battery of a vehicle.
- the second transmission device can be controlled in such a way that a torque and a speed of the intermediate shaft and/or the second electrical machine are not transmitted to the output shaft of the drive train.
- This first operating mode is therefore used to generate electrical energy for a battery, for example, when the vehicle is stationary.
- the second electric machine is thus deactivated in the first operating mode.
- the second transmission device can be controlled in such a way that it is open and the coupling partners are not engaged in order to transmit neither speed nor torque to the output shaft.
- the second electric machine can be used to drive a vehicle and the first electric machine can be used as a generator to generate energy.
- This second operating mode is therefore used as a serial hybrid drive, in which the second electric machine acts as a prime mover and an internal combustion engine is used as a prime mover for the first electric machine to generate electrical energy.
- the second transmission device can be controlled in such a way that a torque and a speed of the intermediate shaft are not transmitted to the output shaft of the drive train, but a torque and a speed of the second electric machine are transferred to the output shaft of the drive train.
- the second transmission device in the second operating mode can be controlled in such a way that the first clutch partner on the intermediate shaft and the second clutch partner on the output shaft are not engaged, but the second and third clutch partners can already be engaged.
- the drive train can be used to drive the wheels of a vehicle purely electrically.
- the second transmission device in the second operating mode can be controlled in such a way that the coupling partners on the intermediate shaft and on the output shaft are not engaged.
- the second transmission device can be controlled in such a way that the coupling partners on the second electrical machine and on the output shaft are engaged.
- the second electric machine can be used to drive a vehicle and the first electric machine, which can be driven by a combustion engine, can be used as a generator to generate energy and/or as a drive booster for the second electric machine.
- the second transmission device can be controlled in such a way that a torque and a speed of the intermediate shaft are transmitted to the output shaft of the drive train and a torque and a speed of the second electrical machine are transmitted to the output shaft of the drive train.
- the second transmission device can be controlled in such a way that a speed and a torque can be transmitted both from the intermediate shaft and from the second electrical machine to the output shaft.
- This third operating mode can implement a parallel hybrid drive, in which an internal combustion engine and, in addition, the first electric machine and/or the second electric machine act as a drive machine on the output shaft.
- the first electrical machine drivable by an internal combustion engine
- the second transmission device can be controlled in such a way that a torque and a speed of the intermediate shaft is transmitted to the output shaft of the drive train, but no torque and no speed of the second electrical machine is transferred to the output shaft of the drive train.
- the second transmission device can be controlled in such a way that the coupling partners on the intermediate shaft and on the output shaft are engaged, but on the second electrical machine and on the output shaft are not engaged.
- the second transmission device can be controlled in such a way that the first coupling partner on the intermediate shaft and the second coupling partner on the output shaft are engaged.
- the second and third coupling partners cannot be engaged.
- the individual operating modes can be combined with one another.
- the first, second and third modes of operation are in one Embodiment can be combined with each other.
- the first, second, third and fourth operating mode can also be combined with one another in one exemplary embodiment.
- the drive train can include an internal combustion engine and/or a torsional damper device.
- the internal combustion engine can be connected to the torsion damper device, for example connected in a torque-proof manner.
- the connection can, for example, be such that the torsion damper device is attached to a crankshaft of the internal combustion engine.
- the torsion damper device in turn, can be arranged on the internal combustion engine on its input side and on the input shaft on its output side.
- FIG. 1 shows a schematic view of a drive train according to a first exemplary embodiment
- FIG. 2 shows a schematic view of a drive train according to a second exemplary embodiment.
- FIG. 1 shows a schematic view of a drive train 1 according to a first exemplary embodiment.
- FIG. 1 shows a drive train 1 for a hybrid motor vehicle with an input shaft 2.
- the input shaft 2 extends in the axial direction A and is permanently non-rotatably connected to a torsion damper device 3 and to an internal combustion engine 4.
- the internal combustion engine 4 is connected to the torsional damper device 3 in such a way that the torsional damper device 3 is attached to a crankshaft of the internal combustion engine 3 .
- the torsion damper direction is 3 arranged on the input side of the internal combustion engine 4 and on its output side on the input shaft 2 .
- the drive train 1 has a first electric machine 5, which is directly connected to the input shaft 2 and is permanently connected to the input shaft 2 in a rotationally fixed manner.
- the first electrical machine 5 has a rotor 6 with a rotor carrier 7 and a stator 8.
- the first electric machine 5 has a space B1 for installation, which is formed by the outer dimensions 5L, 5B, 5H of the stator 8 and within which the rotor carrier 7 is arranged.
- FIG. 1 also shows that the drive train 1 has a first transmission device 9 for transmitting a torque and a speed from the input shaft 2 to an intermediate shaft 12 .
- the first transmission device 9 has an installation space B2 for installation, which is formed by the outer dimensions 9L, 9B, 9H of the first transmission device 9 .
- the first transmission device 9 is arranged on the rotor carrier 7 of the first electrical machine 5 in such a way that the installation space B2 of the first transmission device 9 and the installation space B1 of the first electrical machine 5 overlap. Described in more detail, the installation space B2 of the first transmission device 9 is arranged completely within the installation space B1 of the first electrical machine 5 .
- the Drive train 1 can be made shorter by the space or by the axial length which the first transmission device 9 and the first electrical machine 5 share.
- the first transmission device 9 is designed as a transmission for converting a torque and a speed of the input shaft 2 .
- the first transmission device 9 it should be mentioned that it is alternatively also possible for the first transmission device 9 to be in the form of a switchable clutch device.
- the first transmission device 9 is arranged completely within the installation space B1 of the first electrical machine 5 .
- the installation space B2 of the first transmission device 9 is arranged completely within the installation space B1 of the first electrical machine 5 .
- the rotor carrier 7 has an installation space B3 for installation, which is formed by the outer dimensions 7L, 7B, 7H of the rotor carrier 7, with the first transmission device 9 or its installation space B2 in the axial direction A being at least 80% within the Installation space B3 of the rotor carrier 7 is arranged.
- the first transmission device 9 is arranged completely within the installation space B1 of the first electrical machine 5 and also completely within the installation space B3 of the rotor carrier 7 .
- FIG. 1 shows that the first transmission device 9 is arranged on the rotor carrier 7, the first transmission device 9 being formed at least partially integrally with the rotor carrier 7.
- the rotor 6 and the rotor carrier 7 of the first electric machine 5 have an input 10 and an output side 11, with the input shaft 2 being on the input side 10 and the first transmission device 9 being arranged on the output side 11.
- FIG. 1 also shows that the drive train 1 has an intermediate shaft 12 to which the first transmission device 9 is connected and which extends in the axial direction A.
- the first transmission device 9 has toothed elements 9A, 9C to realize a transmission for converting a torque and a speed of the input shaft 2, so that a permanent connection between the rotor carrier 7 of the first electrical machine 5 and the intermediate shaft 12 of the drive train 1 is realized. As a result, a torque and a speed can be transmitted from the input shaft 2 to the intermediate shaft 12 .
- the first transmission device 9 has a ring gear 9A and a toothed wheel 9C, each as a toothed element, with the gear wheel 9C meshing with the ring gear 9A, so that the gear wheel 9C can roll in the ring gear 9A.
- the gear wheel 9C is arranged on the intermediate shaft 12, the rotor carrier 7 having the ring gear 9A, so that a torque and a speed of the ring gear 9A can be transmitted to the gear wheel 9C and thus to the intermediate shaft 12.
- FIG. 1 also shows that the drive train 1 has a second electric machine 13 which can be releasably connected to the intermediate shaft 12 in a torque-transmitting manner.
- the second electrical machine 13 has a rotor 14 with a rotor support 15 as well as a stator 16 and a space B4 for installation, which is formed by the outer dimensions 13L, 13B, 13H of the stator 16 of the second electrical machine 13 and in which the Rotor carrier 15 of the second electrical machine 13 is arranged.
- the drive train 1 has a second transmission device 17 for transmitting a torque and a speed from the intermediate shaft 12 to an output shaft 20.
- the second transmission device 17 has an installation space B5 for installation, which is formed by the outer dimensions 17L, 17B, 17H of the second transmission device 17 .
- the second transmission device 17 is arranged on the rotor carrier 15 of the second electrical machine 13 in such a way that the installation space B5 of the second transmission device 17 and the installation space B4 of the second electrical machine 13 overlap. Specifically shown is the installation space B5 of the second transmission unit direction 17 arranged completely within the installation space B4 of the second electric machine 13 .
- the second transmission device 17 is arranged completely within the installation space B4 of the second electrical machine 13 . Because the more the second transmission device 17 is arranged within the construction space B4 of the second electrical machine 13, the greater the saving in terms of construction space or in terms of the axial length.
- the rotor carrier 15 of the second transmission device 17 has an installation space B6 for installation, which is formed by the outer dimensions 15L, 15B, 15H of the rotor carrier 15, with the second transmission device 17 being located completely within the installation space B6 of the rotor carrier 15 is arranged. In this way, a maximum of axial length and installation space in the axial direction is saved.
- the second transmission device 17 is designed as a switchable clutch device.
- the installation space of the first or the second transmission device 9, 17 or the first or the second electrical machine 5, 13 is determined by the product of the maximum area, which is oriented perpendicularly to the axial direction A, and the maximum width B, which is oriented in the axial direction A formed.
- the maximum width B is similar to a normal vector perpendicular to the maximum area formed by the length and the height, with the length being oriented perpendicularly to the plane of the page with reference to FIG.
- the maximum area and maximum width 5B, 13B of the first electrical machine 5 and the second electrical machine 13 are determined by the external dimensions, such as maximum length, maximum width and maximum height, of the stator 8, 16 of the respective electrical machine 5, 13 formed. The same applies to the first and second transmission device 9, 17.
- the maximum area of the rotor 6, 14 or the rotor carrier 7, 15, which is oriented perpendicularly to the axial direction A, is always smaller than the maximum area of the stator 8, 16, which is also oriented perpendicularly to the axial direction A, with the maximum width B of the rotor 6, 14 being less than the maximum width B of the stator 8, 16.
- both maximum widths are in axial direction A oriented.
- the maximum areas of the first and second transmission devices 9, 17, which are oriented perpendicular to the axial direction A, are also smaller than the maximum area of the respective rotor carrier 7, 15, which is also oriented perpendicular to the axial direction A.
- the maximum width 9B, 17B of the first and second transmission device 9, 17 is smaller than the maximum width 8B, 16B of the stator 8, 16 or the rotor carrier 7,
- first and second transmission device 5, 13 have a smaller width 5B, 13B in the axial direction A than the rotor 6, 14 or the rotor carrier 7, 15 or the stator 8, 16
- the second electrical machine 13 has an input 18 and an output 19 , with the intermediate shaft 12 being arranged at the input 18 .
- the drive train 1 has an output shaft 20 which is arranged on the output 19 of the second electric machine 13 .
- the output shaft 20 is permanently non-rotatably connected to the rotor carrier 15 of the second electric machine 13, so that it is not possible to decouple the second electric machine 13 from the output shaft 20.
- the second transmission device 17 is set up and designed in such a way that a torque and a speed of the intermediate shaft 12 or the second electrical machine 13 can be switched and transmitted to the output shaft 20 of the drive train 1 .
- a torque and a rotational speed of the intermediate shaft 12 and the second electrical machine 13 can be transmitted to the output shaft 20 in a switchable manner using the second transmission device 17 .
- the second transmission device 17 is designed as a switchable clutch device, for example as a multi-plate, claw or disc clutch, formed so that a detachable connection between the rotor carrier 15 of the second electric machine 13 and the intermediate shaft 12 can be implemented, whereby a torque and a speed can be switched from the intermediate shaft 12 to the output shaft 20 of the drive train 1 and can be transmitted.
- a switchable clutch device for example as a multi-plate, claw or disc clutch
- the second transmission device 17 has a first and a second coupling partner 17X, 17Y as well as a device (not shown) for engaging and disengaging the coupling partners with one another.
- the second transmission device 17 is set up and designed to bring the first coupling partner 17X and the second coupling partner 17Y into releasable engagement, so that a torque and a speed can be transmitted from the intermediate shaft 12 and from the second electric machine 17 to the output shaft 20 are. If, on the other hand, the first and second clutch partners 17X, 17Y are not engaged, then only the second electric machine 17 can transmit a torque and a speed to the output shaft 20 .
- the first coupling partner 17X is arranged on the intermediate shaft 12, so that a torque and a speed can be transmitted from the intermediate shaft 12 to the output shaft 20 by closing the second transmission device 17, which is designed as a switchable clutch device.
- the second coupling partner 17Y is arranged on the output shaft 20 so that a torque and a speed can be transmitted to the output shaft 20 by closing the second transmission device 17 designed as a switchable clutch device.
- the second coupling partner 17Y of the second transmission device 17 is formed integrally with the rotor support 15 of the second electrical machine 13.
- the device for engaging and disengaging (not shown) can be arranged on the second electric machine 13 .
- FIG. 1 shows that the output shaft 20 is designed as part of a transmission for converting a torque and a speed in interaction with a transmission input shaft 21 .
- the output shaft 20 has a gear for transmitting a torque and a rotational speed of the output shaft 20 to the transmission input shaft 21 , the gear being formed integrally with the output shaft 20 .
- the output shaft 20 and the gear wheel it is also possible for the output shaft 20 and the gear wheel to be connected to one another via a shaft-hub connection.
- a transmission device 22 connects to the transmission input shaft 21, which converts the speed and torque of the transmission input shaft 21 again and shares or only distributes it.
- the first electric machine 5 is designed as a vehicle drive and as a generator for generating energy, with the second electric machine 13 being designed only as a vehicle drive.
- the drive train 1 is designed to implement a plurality of operating modes.
- only the first electric machine 5, driven by the internal combustion engine 4 is used as a generator for generating energy or as a generator for charging a battery of a vehicle.
- the second transmission device 17 is controlled in such a way that a torque and a speed of the intermediate shaft 12 are not transmitted to the output shaft 20 of the drive train 1 .
- the first operating mode serves to charge the battery of a vehicle using the first electric machine 5 when the vehicle is stationary.
- the second electric machine 13 is deactivated in the first operating mode.
- the second electric machine 13 is used to drive a vehicle and the first electric machine 5 is used as a generator for generating energy.
- the second transmission device 17 is controlled in such a way that a torque and a speed of the intermediate shaft 12 are not transmitted to the output shaft 20 of the drive train 1, but a torque and a speed of the second electric machine 13 are transferred to the output shaft 20 of the drive train 1 is transmitted. More specifically, in the second operating mode, the second transmission device 17 is controlled in such a way that the clutch ment partners 17X, 17Y are not engaged in order to transmit neither speed nor torque to the output shaft 20.
- a so-called serial hybrid drive can be implemented with the aid of this refinement.
- the second electric machine 13 is used to drive a vehicle and the first electric machine 5, driven by an internal combustion engine 4, is used as a generator for generating energy and/or as a drive booster for the second electric machine 13.
- the second transmission device 17 is controlled in such a way that a torque and a speed of the intermediate shaft 12 are transmitted to the output shaft 20 of the drive train 1 and a torque and a speed of the second electric machine 13 are transmitted to the output shaft 20 of the drive train 1 .
- the second transmission device 17 is controlled in such a way that the clutch partners 17X, 17Y are engaged in order to transmit speed and torque.
- a so-called parallel hybrid drive can be implemented with the aid of this refinement.
- FIG. 2 shows a schematic view of a drive train 1 according to a second exemplary embodiment.
- the drive train 1 for a hybrid motor vehicle has an input shaft 2 which extends in the axial direction A and which is rotatably connected to a torsion damper device 3 and to an internal combustion engine 4 .
- the drive train 1 has a first electric machine 5 which is connected to the input shaft 2 and permanently to the input shaft 2 in a rotationally fixed manner, the first electric machine 5 comprising a rotor 6 with a rotor carrier 7 and a stator 8 .
- the first electrical machine 5 includes a space B1 for installation, which is formed by the outer dimensions 5L, 5B, 5H of the stator 8 and within which the rotor carrier 7 is arranged.
- the drive train 1 has a first transmission device 9 for transmitting a torque and a speed from the input shaft 2 to an intermediate shaft 12, the first transmission device 9 having a space B2 for the Installation includes, which of the outer dimensions 9L, 9B, 9H of the first transmission device 9 is formed.
- the first transmission device 9 is arranged on the rotor carrier 7 of the first electrical machine 5 in such a way that the installation space B2 of the first transmission device 9 and the installation space B1 of the first electrical machine 5 overlap. More specifically, the installation space B2 of the first transmission device 9 is arranged completely within the installation space B1 of the first electrical machine 5 .
- the first transmission device 9 is designed as a transmission for converting a torque and a speed of the input shaft 2 .
- the first transmission device 9 it is also possible here for the first transmission device 9 to be in the form of a switchable clutch device.
- the second transmission device 17 has an installation space B5 for installation, which is formed by the outer dimen- sions 17L, 17B, 17H of the second transmission device 17.
- the second transmission device 17 is arranged on the rotor carrier 15 of the second electrical machine 13 in such a way that the installation space B5 of the second transmission device 17 and the installation space B4 of the second electrical machine 13 overlap.
- the construction space B5 of the second transmission unit 17 is arranged completely within the construction space B4 of the second electrical machine 13 .
- the second transmission device 17 is arranged completely within the installation space B4 of the second electrical machine 13 . Because the more the second transmission device 17 is arranged within the construction space B4 of the second electrical machine 13, the greater the saving in terms of construction space or in terms of the axial length.
- the rotor carrier 15 of the second transmission device 17 has a space B6 for installation, which is formed by the outer dimensions of the rotor carrier 15, with the second transmission device 17 being arranged completely inside the space B6 of the rotor carrier 15. In this way, a maximum of axial length and installation space in the axial direction is saved.
- the second electrical machine 13 in the second exemplary embodiment also has an input 18 and an output 19 , the intermediate shaft 12 being arranged at the input 18 .
- the drive train 1 has an output shaft 20 which is arranged at the output 19 of the second electric machine 13 .
- the second transmission device 17 is set up and designed in such a way that a torque and a speed of the intermediate shaft 12 and/or the second electrical machine 13 can be switched and transmitted to the output shaft 20 of the drive train 1 . So several different modes are possible; more on this below.
- the second transmission device 17 is designed as a switchable clutch device, for example as a multi-plate, claw or disc clutch, so that a detachable connection can be realized between the rotor carrier 15 of the second electric machine 13, the intermediate shaft 12 and/or the output shaft 20. whereby a torque and a rotational speed can be transmitted from the intermediate shaft 12 and/or the second electrical machine 13 to the output shaft 20 of the drive train 1 in a switchable manner.
- a switchable clutch device for example as a multi-plate, claw or disc clutch
- the second transmission device 17 has a first, second and third coupling partner 17X, 17Y, 17Z as well as a device (not shown) for engaging and disengaging the coupling partners with one another.
- the second transmission device 17 is set up and configured to bring the first coupling partner 17X and the second coupling partner 17Y into a releasable engagement, or to bring the second coupling partner 17Y and the third coupling partner 17Z into a releasable engagement, or to bring all three coupling partners 17X, 17Y, 17Z to bring each other into a releasable engagement.
- a torque and a speed can thus be transmitted from the intermediate shaft 12 and from the second electrical machine 17 to the output shaft 20 in a switchable manner.
- a torque and a speed may be transmitted only from the intermediate shaft 12 to the output shaft 20 or only from the second electrical machine 17 to the output shaft 20 .
- the first coupling partner 17X is arranged on the intermediate shaft 12, so that a torque and a speed can be transmitted from the intermediate shaft 12 to the output shaft 20 by closing the second transmission device 17, which is designed as a shiftable clutch device.
- the second coupling partner 17Y is arranged on the output shaft 20 so that a torque and a speed can be transmitted to the output shaft 20 by closing the second transmission device 17 designed as a switchable clutch device.
- the third coupling partner 17Z is arranged on the second electrical machine 13, for example on its rotor carrier 15, so that a torque and a speed can be transmitted from the second electrical machine 13 to the output shaft 20 by closing the second transmission device 17, which is designed as a switchable clutch device is.
- the third coupling partner 17Z of the second transmission device 17 is formed integrally with the rotor support 15 of the second electrical machine 13.
- the device for engaging and disengaging can be arranged on the second electric machine 13 or on the intermediate shaft 12 or on the output shaft 20 .
- the drive train 1 has an output shaft 20. This is designed as part of a translation for converting a torque and a speed in conjunction with a transmission input shaft 21.
- the output shaft 20, the transmission input shaft 21 and the transmission device 22 are designed identically to the first exemplary embodiment, so that further explanations are omitted at this point and referred to above.
- the first electrical machine 5 is designed as a vehicle drive and as a generator for generating energy, with the second electrical machine 13 being formed only as a vehicle drive.
- the drive train 1 is designed to implement multiple operating modes.
- only the first electric machine 5, driven by the internal combustion engine 4 is used as a generator for generating energy or as a generator for charging a battery of a vehicle.
- a battery can be charged while the vehicle is stationary.
- the second transmission device 17 is controlled in such a way that a torque and a speed of the intermediate shaft 12 and the second electric machine 17 cannot be transmitted to the output shaft 20 of the drive train 1 . Rather, the second electric machine 13 is deactivated in the first operating mode. To put it more concretely, in the first operating mode the second transmission device 17 is controlled in such a way that it is open and the coupling partners 17X, 17Y, 17Z are not engaged in order to transmit neither speed nor torque to the output shaft 20 .
- the second electric machine 13 is used to drive a vehicle and the first electric machine 5 is used as a generator for generating energy.
- a so-called serial hybrid drive can be implemented with the aid of this refinement.
- the second transmission device 17 is controlled in such a way that a torque and a speed of the intermediate shaft 12 is not transmitted to the output shaft 20 of the drive train 1, but a torque and a speed of the second electrical machine 13 are transmitted to the output shaft 20 of the drive train 1 transmitted.
- the second transmission device 17 is controlled in such a way that the first coupling partner 17X on the intermediate shaft 12 and the second coupling partner 17Y on the output shaft 20 are not engaged, whereas the second and third coupling partners 17Y, 17Z are.
- the second electric machine 13 is used to drive a vehicle and the first electric machine 5, driven by the internal combustion engine 4, is used as a generator for generating energy and also as a drive booster for the second electric machine 13.
- the first electric machine 5 driven by the internal combustion engine 4
- the first electric machine 5 is used as a generator for generating energy and also as a drive booster for the second electric machine 13.
- the second transmission device 17 is controlled in such a way that a torque and a speed of the intermediate shaft 12 are transmitted to the output shaft 20 of the drive train 1 and a torque and a speed of the second electric machine 13 are transmitted to the output shaft 20 of the drive train 1.
- the second transmission device 17 is controlled in such a way that a speed and a torque can be transmitted to the output shaft 20 both by the intermediate shaft 12 and by the second electrical machine 13 . All coupling partners 17X, 17Y, 17Z are thus engaged with one another.
- the first electric machine 5, driven by the internal combustion engine 4 is used as a generator to generate energy and also as a drive amplifier.
- the combustion engine 4 can be used as a driving machine and the first electric machine 5 can be used as a generator for generating energy and as a drive amplifier.
- the second transmission device 17 is controlled in such a way that a torque and a speed of the intermediate shaft 12 are transmitted to the output shaft 20 of the drive train 1, but no torque and no speed of the second electric machine 13 are transmitted to the output shaft 20 of the drive train 1 More specifically, the fourth mode of operation becomes the second Transmission device 17 is controlled in such a way that the first coupling partner 17X on the intermediate shaft 12 and the second coupling partner 17Y on the output shaft 20 are engaged, whereas the second and third coupling partner 17Y, 17Z are not.
- FIGS. 1 and 2 will be described again, but in other words.
- Both figures show a direct drive of a first electrical machine 5 without translation. Furthermore, an integration of a translation within the first electrical machine 5 is shown in both figures.
- a switchable clutch device or a second transmission device 17 is integrated within the second electrical machine 13 .
- the first electric machine 5 which is designed as a generator, to be driven directly by the internal combustion engine 4 via the torsion damper device 3 without transmission.
- the first electrical machine 5 encloses a first transmission device 9 designed as a transmission, with the two sharing the available installation space.
- the second transmission device 17 designed as a clutch device is placed inside the rotor 14 of the second electrical machine 13 .
- Another exemplary embodiment is shown in FIG. 2, but with the possibility of decoupling the second electrical machine 13 .
- the second transmission device 17 which is designed as a switchable clutch device, is arranged inside the second electrical machine 13.
- the second transmission device 17 can be designed as a multi-plate or claw clutch.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021114513.9A DE102021114513A1 (de) | 2021-06-07 | 2021-06-07 | Antriebsstrang für ein Hybridkraftfahrzeug |
| PCT/DE2022/100310 WO2022258098A1 (de) | 2021-06-07 | 2022-04-25 | Antriebsstrang für ein hybridkraftfahrzeug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4351909A1 true EP4351909A1 (de) | 2024-04-17 |
Family
ID=81648047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22723013.3A Withdrawn EP4351909A1 (de) | 2021-06-07 | 2022-04-25 | Antriebsstrang für ein hybridkraftfahrzeug |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240270061A1 (de) |
| EP (1) | EP4351909A1 (de) |
| CN (1) | CN117425580A (de) |
| DE (1) | DE102021114513A1 (de) |
| WO (1) | WO2022258098A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116691312B (zh) * | 2023-06-19 | 2026-02-03 | 臻驱科技(上海)股份有限公司 | 双电机同轴纵置混合动力传动系统及其装配方法、车辆 |
| CN119099318A (zh) * | 2024-08-20 | 2024-12-10 | 深圳引望智能技术有限公司 | 变速箱总成和车辆 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5270382B2 (ja) | 2009-01-09 | 2013-08-21 | トヨタ自動車株式会社 | 車両の駆動装置 |
| DE102013022142A1 (de) * | 2013-12-19 | 2015-06-25 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Hybrid-Antriebsstrang für ein Kraftfahrzeug |
| DE102014217762A1 (de) * | 2014-09-05 | 2016-03-10 | Volkswagen Aktiengesellschaft | Hybridantriebsstrang für ein Kraftfahrzeug |
| DE102015219462A1 (de) * | 2015-10-08 | 2017-04-13 | Volkswagen Aktiengesellschaft | Hybridantriebsstrang für ein Kraftfahrzeug |
| DE102017127695A1 (de) * | 2017-11-23 | 2019-05-23 | Schaeffler Technologies AG & Co. KG | Hybrid-Antriebsstrang mit zwei elektrischen Maschinen und einer Verbrennungskraftmaschine |
| US11186161B2 (en) * | 2018-03-22 | 2021-11-30 | Geely Holding Group Co., Ltd. | Hybrid transmission and hybrid electric vehicle |
| EP3795401B1 (de) * | 2019-09-17 | 2024-02-21 | Ningbo Geely Automobile Research & Development Co., Ltd. | Hybridantriebsstrang für ein fahrzeug |
-
2021
- 2021-06-07 DE DE102021114513.9A patent/DE102021114513A1/de not_active Withdrawn
-
2022
- 2022-04-25 US US18/565,691 patent/US20240270061A1/en active Pending
- 2022-04-25 EP EP22723013.3A patent/EP4351909A1/de not_active Withdrawn
- 2022-04-25 CN CN202280039596.9A patent/CN117425580A/zh active Pending
- 2022-04-25 WO PCT/DE2022/100310 patent/WO2022258098A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102021114513A1 (de) | 2022-12-08 |
| WO2022258098A1 (de) | 2022-12-15 |
| US20240270061A1 (en) | 2024-08-15 |
| CN117425580A (zh) | 2024-01-19 |
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